/*-
 * Copyright (c) 2007 Martin Akesson <makesson@gmail.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */

#include <unistd.h>
#include <string.h>
#include <assert.h>

#include "iso9660.h"
#include "endian.h"
#include "globals.h"

const char* ISO_STD_ID = "CD001";

int iso_verifypvd(PVD_t* a_pvd)
{
    assert(a_pvd);
    if ((VDPrimary != a_pvd->VDType) || (strncmp(a_pvd->VSStdId, ISO_STD_ID, sizeof(ISO_STD_ID))) || (1 != a_pvd->Version))
    {
	return ERROR;
    }

    return AOK;
}

inline int iso_blocksize(PVD_t* a_pvd)
{
    assert(a_pvd);

    return (a_pvd->beLogicalBlockSize ? be16toh(a_pvd->beLogicalBlockSize) : le16toh(a_pvd->leLogicalBlockSize));
}

inline int iso_volumesize(PVD_t* a_pvd)
{
    assert(a_pvd);

    return (a_pvd->beVolumeSpaceSize ? be32toh(a_pvd->beVolumeSpaceSize) : le32toh(a_pvd->leVolumeSpaceSize));
}
